Vol. 50 No. 2 (1966)

Published April 1, 1966

https://doi.org/10.46429/jaupr.v50i2

Vol. 50, No. 2, April 1966

Articles

José Adsuar, Lii-jang Liu

73-75

Incidence of Brown Stripe Disease of Sugarcane in Puerto Rico

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Lii-jang Liu, T. Rosario, F. Méndez-Roig

76-81

Occurrence of Banded Chlorosis of Sugarcane in Puerto Rico

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S. J. Rodríguez, R. Bosque Lugo, R. Pérez-Pérez, A. Morales Muñoz

82-86

Effect of Planting Distances on Shaded Coffee Yield in Puerto Rico

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L. López-Matos

87-91

Effect of Soil Preparation of Tobacco Seedbeds on the Use of Methyl Bromide as Soil Fumigant

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R. Vázquez, A. Eschenwald-Hess, M. J. Martínez-Luciano

92-112

Response of Native White Sorghum to Irrigation under Different Nitrogen-Fertility Levels and Seeding Rates in Lajas Valley, Puerto Rico

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Alex G. Alexander

113-130

The Oxidizing Enzymes of Sugarcane: Tyrosinase (Polyphenol oxidase)

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Alex G. Alexander

131-145

The Oxidizing Enzymes of Sugarcane: Cytochrome C Oxidase

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José Vicente-Chandler, Rubén Caro-Costas, Elvin G. Boneta

146-150

High Crop Yields Produced with or without Tillage on 3 Typical Soils of the Humid Mountain Region of Puerto Rico

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Earl G. Ruppel, Herminio Delpín, Franklin W. Martin

151-157-

Preliminary studies on a virus disease of a sapogenin-producing Dioscorea species in Puerto Rico

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Research Notes

Caridad M. Purcell, Niilo Virkki

158-160

TWO TROX KARYOTYPES DIFFERING RADICALLY IN THE LOCATION OF CENTROMERES

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